The _____ is made up of seven base units, including those for length, temperature, and weight.?
A. standard system?
B. metric system?
C. dimensioning system?
D. fraction system?
Answer: B
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Choose one of the following topics (or one suggested by your instructor) and write a paper that discusses technological changes that have occurred in this area in the past 15 years. Include commentary on the social and environmental impact of the changes and on new problems that may have arisen because of the changes.
(a) passenger automobiles (b) electric power-generating plants (c) computer graphics (d) heart surgery (e) heating systems (furnaces) (f) microprocessors (g) water treatment (h) road paving (both concrete and asphalt) (i) composite materials (j) robotics (k) air-conditioning
When working from a suspended scaffold, wear a safety harness that is securely tied to the _____.
a. cable lift b. cable lift suspension rope c. structure d. guard rail
La instalación de una caja en una losa de concreto se considera un lugar:
a. húmedo. b. seco. c. mojado. d. a prueba de intemperie.
The simplest of all the gates is the ____________________.
Fill in the blank(s) with the appropriate word(s).